/*
 * (c) Copyright 2018 Palantir Technologies Inc. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.palantir.atlasdb.transaction.impl;

import com.palantir.atlasdb.transaction.api.PreCommitCondition;
import com.palantir.logsafe.logger.SafeLogger;
import com.palantir.logsafe.logger.SafeLoggerFactory;

public final class PreCommitConditions {

    private static final SafeLogger log = SafeLoggerFactory.get(PreCommitConditions.class);

    public static final PreCommitCondition NO_OP = new PreCommitCondition() {
        @Override
        public void throwIfConditionInvalid(long timestamp) {}

        @Override
        public void cleanup() {}
    };

    private PreCommitConditions() {}

    /**
     * Runs a cleanup task as best-effort, since we want to avoid throwing during cleanup.
     */
    public static void runCleanupTask(Runnable task) {
        try {
            task.run();
        } catch (Exception t) {
            log.error("Failed to cleanup pre-commit condition", t);
        }
    }
}
